Arsenal could actually sign a striker who can jump higher than Cristiano Ronaldo this summer. The Portugal international has obviously become world famous for his immense goalscoring abilities, although he is also undoubtedly one of the greatest athletes ever seen in football. To be more specific, the 39-year-old’s remarkable leap is something football fans have rarely seen before. The official website of the Olympics even wrote an article on the five-time Ballon d’Or winner’s incredible spring. Now – however – Arsenal could sign a striker who can actually jump higher than Cristiano Ronaldo… A…